PUBLICATIONS AND REPORTS MEETING PAPERS PRESENTED Second International Tutorial on Quantitative Cytochemistry, Chicago, Illinois August 4-6, I. University of Chicago, 1968 T. Young, Automated Leukocyte Recognition (invited) WESCON, Los Angeles, August 20-23, California 1968 A. B. Baggeroer, Optimal Signal Design for Additive Colored Noise Channels via State Variables Meeting on "Electron Mean-Free Paths in Metals," Hochschule, Zurich, Switzerland Eidgenossische Technische September 3-5, 1968 S. R. Reznek and M. W. P. Surface Scattering Strandberg, Mean-Free Path Determination by International Conference on Light Scattering Spectra of Solids, New York September 3-6, New York University, 1968 C. H. Perry and N. E. Tornberg, The Raman Spectra of PbTiO 3 and Solid Solutions of NaTaO 3 -KTaO 3 and KTaO 3 -KNbO 23rd Annual Molecular Spectroscopy Symposium, Ohio State University, Ohio September 3-7, Columbus, 1968 Jeanne H. Fertel, K. Owyang, and C. H. Perry, Observation of Two-Mode Behavior in an Alkali Halide Mixed-Crystal System R. P. Lowndes, J. F. Parrish, and C. H. Tysonite Rare-Earth Fluorides Perry, Optical Phonons in J. F. Parrish, R. P. Lowndes, and C. H. Perry, Far Infrared Electronic Transitions in Tysonite Rare-Earth Fluorides C. H. Perry and N. E. Tornberg, The Temperature-Dependent Phonon Spectrum of PbTiO 3 N. E. Tornberg and C. H. Perry, The Phonon Spectra and Phase Transitions in the K(Ta: Nb)O 3 Mixed Crystal System 1968 IEEE International Antennas University, Boston, Massachusetts September 9-11, and Propagation Symposium, Northeastern 1968 G. Bernard, W. H. Miller, and J. L. Allen, Periodic Structures, Surface Waveguides, and Layered Media in the Eyes of Insects J. I. Glaser, Excitation of Electromagnetic Modes in Open Resonators MEETING PAPERS PRESENTED (continued) Conference on Numerical Simulation of Plasma, Los Alamos Scientific Laboratory, Los Alamos, New Mexico September 18-20, H. M. 1968 Schneider and A. Bers, Dynamics of Inhomogeneous Plasmas The Physical Laboratory Colloquium, State University of New York at Stony Brook, Long Island, New York October 2, J. 1968 G. King, How to See with Molecules (invited) 2nd Annual Symposium of the American Society for Cybernetics, Standards, Gaithersburg, Maryland October 23-25, National Bureau of 1968 W. S. McCulloch, Keynote Address : Cybernetics and the Management of Large Systems (invited) Society of Photographic Scientists and Engineers Symposium on Photo-Electronic Imaging, Washington, D. C. October 31 -November 2, 1968 T. S. Huang, Photo-Electronic Imaging (invited) Psychonomic Society, Ninth Annual Meeting, October 31 -November P. NEREM, A. Kolers, 2, Inc. , New York 1968 Sequential Processing of Foresight and Hindsight Boston, Massachusetts November 6-8, 1968 J. Glaser, Antenna Synthesis for Circular and Elliptical Apertures D. H. Steinbrecher, Recent Developments in Millimeter-Wave Receiver Technology Division of Plasma Physics, American Physical Society, Miami Beach, Florida November 13-16, 1968 Allis, Nonlinear Collisionless Plasma Waves P. R. A. Blanken, Observation of Plasma Effects on Single Electron Synchrotron Emission from a Hot-Electron Plasma J. F. Clarke and J. E. Robinson, Low-Frequency Fluctuations in the DCX-2 W. C. T. Dum and T. H. Dupree, Nonlinear Theory of High-Frequency Turbulence in a Magnetic Field R. W. Flynn and T. H. Dupree, Secular Wave-Particle Velocity Changes and Fourth-Order Diffusion G. A. Garosi, G. Bekefi, and H. Weakly Ionized Plasma Column M. Schulz, Particle Loss in a Turbulent, M. Hudis and L. M. Lidsky, Particle Flux Measurements in Dense Plasmas by Directional Langmuir Probes B. R. Kusse and A. Bers, Interactions of a Plasma with a Spiraling Electron Beam xvi MEETING PAPERS PRESENTED (continued) L. M. Lidsky, M. Hudis, and R. Blanken, Diffusion Coefficient Measurements in a Hollow Cathode Arc Plasma Column W. M. Manheimer, Weak Turbulence Theory of Velocity Space Diffusion in a Magnetic Field M. Murakami and L. M. Lidsky, Wave-Particle Interactions in Transverse Electromagnetic Waves in Magnetized Plasma D. J. Rose, Physics of Fusion Feasibility (invited) H. M. Schneider and A. Bers, Inhomogeneous Media in Computer Simulationof Oscillations C. E. Speck and A. Bers, Electromagnetic Instability of a Hot-Electron Plasma Generated by Electron-Cyclotron Resonance D. W. Swain, Externally Generated Striations in a Low-Pressure Discharge 21st Annual Conference on Engineering in Medicine and Biology, Houston, November 18-21, Texas 1968 A. N. Chandra, W. D. Jackson, P. G. Katona, and G. Rate Response to Individual Electric Vagal Impulses O. Barnett, Heart Symposium on Nonlinearities at the Auditory Periphery, Acoustical Society of America Meeting, Cleveland, Ohio November 19-22, 1968 L. D. Braida, Absolute Identification of Sound Intensity : Dependence of Observer Sensitivity on Range and Number of Stimuli J. L. Goldstein and N. Y. S. Kiang, Some Nonlinear Phenomena in Recordings from Single Auditory-Nerve Fibers (invited) Physics Colloquium, Wayne State University, Detroit, Michigan November 21, 1968 M. W. P. Strandberg, Surface Magneto-Resistance Temperatures (invited) American Physical Society Meeting, November 25-27, of Metals at Low Miami Beach, Florida 1968 R. P. Lowndes, J. F. Parrish, Tysonite Rare-Earth Fluorides and C. H. Perry, Optical Phonons in J. F. Parrish, R. P. Lowndes, and C. H. Perry, Far Infrared Electronic Transitions in Tysonite Rare-Earth Fluorides C. H. Perry and R. P. Lowndes, in the Ammonium Halides N. E. Tornberg and C. Spectrum of PbTiO H. Perry, The Phonon Spectra and Phase Transitions The Temperature-Dependent 3 xvii Phonon JOURNAL PAPERS ACCEPTED FOR PUBLICATION (Reprints, if available, may be obtained from the Document Room, 26-327, Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139) J. S. Barlow, Intrinsic and Induced EEG Rhythms in Severe Hypothyroidism Secondary to Panhypopituitarism : A Case Report (EEG Clin. Neurophysiol. ) -B. Blesser and A. R. Kent, Analysis of a Feedback-Controlled Limiter Using a Logarithmic Measuring Scale (IEE Trans. (AU)) IT. H. Dupree, Nonlinear Theory of Low-Frequency Instabilities (Phys. Fluids) -C. B. Friedberg and M. W. P. Strandberg, Microwave Magnetoresistance Measurements (J. Appl. Phys.) E. P. Gyftopoulos and G. N. Hatsopoulos, Quantum-Thermodynamic Definition of Electronegativity (Proc. Natl. Acad. Sci. U. S. ) M. Halle, Zirmunskij's Theory of Verse : A Review Article (Slavic and East European Journal) G. Hornbuckle and R. Spann, Diagnosis of Single Gate Failures in Combinational Circuits (IEEE Trans. on Computers) F. J. Kerr, B. F. Burke, E. C. Reifenstein III, T. L. Wilson, and P. G. Mezger, A Direct Comparison of Motions of Neutral and Ionized Hydrogen in the Galaxy (Nature) - J. L. Kinsey, J. W. Riehl, and J. S. Waugh, Molecular Reorientation in Collisions between an Atom and a Diatomic Molecule (J. Chem. Phys.) S. G. Kukolich, Measurement of Hyperfine Structure in NH 2D (J. Chem. Phys.) Sara E. Law and D. H. Staelin, Measurements of Venus and Jupiter near 1-cm Wavelength (Astrophys. J. ) W. M. Manheimer and T. H. Dupree, Weak Turbulence Theory of Velocity Space Diffusion and the Nonlinear Landau Damping of Waves (Phys. Fluids) J. Nolte, J. E. Brown, and T. G. Smith, Jr., A Hyperpolarizing Component of the Receptor Potential in the Median Ocellus of Limulus (Science) R. R. Parker, Normal Modes in RLC Networks (Proc. IEEE) J. W. Riehl, J. L. Kinsey, J. S. Waugh, and J. H. Rugheimer, Spin-Lattice Relaxation and the Anisotropic Part of the He -H 2 Intermolecular Potential (J. Chem. Phys.) W. J. Wilson and A. H. Barrett, Discovery of OH Radio Emission from the Infrared Star NML Cygni (Abstract) (Astron. J. ) LETTERS TO THE EDITOR ACCEPTED FOR PUBLICATION G. L. Rogoff, Optical System for Spatial Discrimination of Radiation from Extended Bodies (Appl. Opt. ) xviii TECHNICAL REPORTS PUBLISHED (These and previously published technical reports, if available, may be obtained from the Document Room, 26-327, Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139) 467 Norman E. Gaut, Studies of Atmospheric Water Vapor by Means of Passive Microwave Techniques 468 Jane Win-Shih Liu, Reliability of Quantum -Mechanical Communication Systems SPECIAL PUBLICATIONS J. S. Barlow, Lenore Morrell, and F. Morrell, Some Observations on Evoked Responses in Relation to Temporal Conditioning to Paired Stimuli in Man (pp. 41-51) (in Mechanisms of Orienting Reaction in Man. Transactions of an International Colloquium held in Bratislava and Smolenice, September 11-14, 1965, under the Auspices of the Slovak Academy of Sciences. Edited by I. Ruttkay-Nedecky, L. Ciginek, V. Zikmund, and Eva Kellerova. Publishing House of Slovak Academy of Sciences, Bratislava, 1967) J. S. Barlow, Some possibilities for the Study of Visual-Oculomotor Processes with the Aid of Oriental Ideograms (pp. 145-149) (in Mechanisms of Orienting T in Transactions of an International Colloquiu1m held Reaction in Man. Bratislava and Smolenice, September 11-14, 1965, under the Auspices of the Slovak Academy of Sciences. Edited by I. Ruttkay-Nedecky, L. Ciginek, Publishing House of Slovak Academy of V. Zikmund, and Eva Kellerovi. Sciences, Bratislava, 1967) J. W. Gadzuk, Theory of Metallic Adsorption on Real Metal Surfaces (Proc. Fourth International Materials Symposium, University of California, Berkeley, June 17, 1968) R. C. Gesteland, J. Y. Lettvin, W. H. Pitts, and S-H. Chung, A Code in the Nose (Cybernetic Problems in Bionics, Bionics Symposium 1966, H. L. Oestreicher * and D. R. Moore (eds.T--Gordon and Breach Science Publishers, Inc., New York, 1966, pp. 313-322) D. H. Klatt and K. N. Stevens, Studies of Articulatory Activity and Air Flow during Speech (Ann. N. Y. Acad. Sci.) W. S. McCulloch, S. A. Papert, M. Blum, J. L. S. da Fonseca, and R. Moreno-Diaz, The Fun of Failures (New York Academy of Sciences Monograph 24/361) C. H. Perry and N. E. Tornberg, The Raman Spectra of PbTiO 3 and Solid Solutions of NaTaO 3 - KTaO 3 and KTaO 3 - KNbO 3 (Conference on Light Scattering, New York, September 3-6, 1968, edited by George B. Wright) H. M. Schneider and A. Bers, Dynamics of Inhomogeneous Plasmas (Proc. Conference on Numerical Simulation of Plasma, Los Alamos Scientific Laboratory, Los Alamos, New Mexico, September 18-20, 1968, pp. A7-1 -A7-16) R. E. Stickney, Low-Energy Molecular Scattering as a Tool for Studying Gas-Solid Interaction Potentials : Comparison of Theory and Experiment (Proc. Fourth International Materials Symposium on "The Structure and Chemistry of Solid Surfaces, " University of California, Berkeley, June 19-21, 1968) xix